THank you for the input.

I have tried the "Links" but don't quite see how they could help. Am I missing something?

John, you are spot on with your comments about reading the entire alphabet, that's exactly it. I am forwarding your suggestions.

Unfortunately no amount of screen magnification will assist. Although my friend is not wholly blind, for functional purposes other than the approximate locating of very large (one foot across or bigger) well lit objects, or telling light from dark, he is effectively functionally so.